2026/2027 ACCURATE QUESTIONS WITH
CORRECT DETAILED SOLUTIONS ||
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<NEWEST VERSION>
1. in case of fire - ANSWER ✔ Sound the alarm (location & how to activate)
MUST Call Main Control
2. Calling Main Control for Fire Procedures - ANSWER ✔ Give your name
Location of fire
Type of fire
Hold phone for verification
3. The fire triangle - ANSWER ✔ oxygen - right side
heat -bottom
fuel - left side
4. Fire Tetrahedron - ANSWER ✔ fuel -top triangle
chemical chain reaction -bottom triangle
heat- bottom left triangle
oxygen - bottom right triangle
5. Chemical Chain reaction - ANSWER ✔ in the burning process of fuel
elements( compounds)are released by heat produced by the fire. These
elements join in the fire (combined with oxygen) to produce more heat
which releases more fuel elements
6. What is the difference between the fire triangle and the fire tetrahedron? -
ANSWER ✔ Chemical chain reaction
7. Oxygen percentage in normal air - ANSWER ✔ 21%
, 8. Oxygen - ANSWER ✔ supports combustion & life
9. Minimum percentage of oxygen needed to support respiration & combustion
- ANSWER ✔ 16%
10.visible flame goes out (oxygen) - ANSWER ✔ 15%
11.Fire goes out (oxygen) - ANSWER ✔ 5%
12.heat transfer - ANSWER ✔ important because heat is the essential for a
fire to be initiated and combustion to occur. Heat is transferred in one of
three ways
13.Conduction - ANSWER ✔ the transfer of heat through a heat conducting
medium
*pipes
*steel roof beams
14.convection - ANSWER ✔ heat transferred through the movement of hot air
or liquid
15.*usually vertically (heat rises)
• includes direct flame contact
16.radiation - ANSWER ✔ movement of heat waves through space until they
strike a solid object
*movement is in all directions
*similar to the sun
*unaffected by wind
17.products of combustible - ANSWER ✔ *flame
*heat
*smoke
*Fire gases
18.four phases of burning - ANSWER ✔ *ignition